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CHANGELOG.md

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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[0.22.0] - 2024-09-17

Added

  • Added blockchain.recordStorage flag. If set to true, BlockchainTransaction will have oldStorage and newStorage fields. Note that enabling this flag will disable a certain optimization, which will slow down contract emulation

[0.21.0] - 2024-09-16

Added

  • SandboxContract now wraps methods starting with is (having the same semantics as get) as well as send and get

Changed

  • Updated dependencies

[0.20.0] - 2024-05-31

Added

  • Added the ability to create Blockchain using a custom IExecutor instead of the default Executor
  • Added more information to EmulationError, extended its error message

[0.19.0] - 2024-04-27

Fixed

  • Fixed a bug in the emulator that caused send mode 16 to not properly work

[0.18.0] - 2024-04-23

Changed

  • Changed the default and slim configs to use the latest config at the time of release, which reduces gas fees by a factor of 2.5x

[0.17.0] - 2024-03-27

Changed

  • Updated emulator WASM binary
  • Changed the default and slim configs to use the latest config at the time of release, which enables TVM v6 opcodes

[0.16.0] - 2024-03-01

This release contains a breaking change.

Added

  • Added IExecutor interface with the prospect of creating custom executor
  • Added open and getTransactions to sandbox's ContractProvider
  • Added toSandboxContract helper function to cast OpenedContract<T> to SandboxContract<T> when applicable

Changed

  • Changed the default executor to have async methods (it still has sync nature)
  • Improved get method return object

[0.15.0] - 2023-12-24

Changed

  • Changed the default and slim configs to use the latest config at the time of release, which enables new TVM opcodes

[0.14.0] - 2023-12-04

Changed

  • Updated emulator WASM binary

[0.13.1] - 2023-10-10

Fixed

  • Fixed a bug in Blockchain that led to storage fetch errors (for example, network errors in RemoteBlockchainStorage) being cached and breaking that contract address forever

[0.13.0] - 2023-10-05

Changed

  • On transaction emulation error, an EmulationError is now thrown that has an error string, vmLogs, and exitCode (the latter two being optional). The error is no longer being dumped into console

[0.12.0] - 2023-10-03

Added

  • Step by step execution (blockchain.sendMessageIter)
  • Better docs

Fixed

  • now from Blockchain is now honored in SmartContract.receiveMessage
  • Exit code 1 is now counted as success in get methods

[0.11.1] - 2023-07-26

Changed

  • Migrated dependencies to @ton organization packages
  • Bumped @ton/test-utils version to 0.3.1

[0.11.0] - 2023-05-11

Added

  • Added the ability to emulate ticktock transactions. There are 3 ways to do that: blockchain.runTickTock(Address | Address[], TickOrTock, MessageParams?), smartContract.runTickTock(TickOrTock, MessageParams?), or you can change ContractProvider in your wrapper classes to be SandboxContractProvider and invoke tickTock(TickOrTock) on it. TickOrTock is a union type 'tick' | 'tock'
  • Added new verbosity levels: 'vm_logs_location' (same as 'vm_logs' but also display code cell hash and offset), 'vm_logs_gas' (same as 'vm_logs_location' but also display gas remaining), 'vm_logs_verbose' (same as 'vm_logs_full' but display stack values in a more verbose way)

Changed

  • Changed emulator WASM binary

[0.10.0] - 2023-05-04

Changed

  • Changed emulator WASM binary
  • Changed treasury code

Fixed

  • Fixed certain interactions between snapshots and treasuries

[0.9.0] - 2023-04-27

Added

  • Added printTransactionFees helper for easier calculation of fees of different operations
  • Added blockchain.snapshot, blockchain.loadFrom, smartContract.snapshot, smartContract.loadFrom methods to create state snapshots of the respective objects and restore from them at a later point in time. They return and accept new types, BlockchainSnapshot and SmartContractSnapshot

[0.8.0] - 2023-04-07

This release contains a breaking change.

Added

  • Added blockchain.createWallets method which accepts a number n and optional TreasuryParams. It creates n treasuries and returns them as an array

Changed

  • RemoteBlockchainStorage now requires a RemoteBlockchainStorageClient instead of TonClient4. There is a helper function, wrapTonClient4ForRemote, to wrap a TonClient4 into RemoteBlockchainStorageClient. This is a breaking change
  • Updated default config
  • Blockchain.create now accepts an optional BlockchainConfig = Cell | 'default' | 'slim' as the config. If nothing or 'default' is specified, the default config is used, if 'slim' is specified, the slim config is used (it is much smaller than the default config, which improves performance), if a Cell is passed, then it is used as the config

Removed

  • Removed ton as a peer dependency

[0.7.0] - 2023-03-27

Added

  • Added externals: ExternalOut[] field to BlockchainTransaction and SendMessageResult. ExternalOut is a specialized type for external out messages compatible with Message from ton-core

Changed

  • Get methods now throw a specialized error type GetMethodError when exit code is not 0
  • Smart contracts now throw a specialized error type TimeError when trying to run a transaction at a unix timestamp that is less than the unix timestamp of the last transaction
  • Get methods now return gasUsed and logs from the ContractProvider on opened contracts

Other

  • Consecutive transaction emulations have been optimized

[0.6.1] - 2023-03-16

Fixed

  • Fixed blockchain.now override for get methods in opened contracts

[0.6.0] - 2023-03-13

Added

  • Added treasury.getBalance method
  • Added blockchain.now getter and setter to override current unix time as seen during contract execution (both transactions and get methods). Note that this is unix timestamp, not JS timestamp, so you need to use Math.floor(Date.now() / 1000) instead of Date.now() to set current time

Changed

  • RemoteBlockchainStorage constructor now accepts a second optional parameter, blockSeqno?: number. If passed, all accounts will be pulled from that block number instead of the latest one

[0.5.1] - 2023-03-02

Changed

  • Changed ton and ton-core dev and peer dependencies to versions 13.4.1 and 0.48.0 respectively

Fixed

  • Fixed typos in SendMode.PAY_GAS_SEPARATLY (missing E) from ton-core

[0.5.0] - 2023-02-22

This release contains multiple breaking changes.

Added

  • Added blockchain.libs: Cell | undefined getter and setter for global libraries dictionary (as a Cell)

Changed

  • blockchain.treasury now accepts an optional TreasuryParams argument (see below for definition) instead of the old optional workchain?: number argument. This is a breaking change
export type TreasuryParams = Partial<{
    workchain: number
    predeploy: boolean
    balance: bigint
    resetBalanceIfZero: boolean
}>
  • OpenedContract was renamed to SandboxContract. This is a breaking change
  • LogsVerbosity now has a new field, print: boolean (defaults to true on the Blockchain instance), which controls whether to console.log any logs at all (both from transactions and get methods). This is a breaking change
  • smartContract.get and blockchain.runGetMethod now return GetMethodResult (see below for definition). The differences from the previous return type are as follows:
    • logs renamed to vmLogs. This is a breaking change
    • gasUsed is now of type bigint. This is a breaking change
    • blockchainLogs: string and debugLogs: string were added
export type GetMethodResult = {
    stack: TupleItem[]
    stackReader: TupleReader
    exitCode: number
    gasUsed: bigint
    blockchainLogs: string
    vmLogs: string
    debugLogs: string
}
  • Properties storage and messageQueue on Blockchain are now protected. This is a breaking change
  • All properties and methods of Blockchain that were private are now protected to improve extensibility. Note that any invariants expected by Blockchain must be upheld
  • blockchain.sendMessage and smartContract.receiveMessage now accept an optional MessageParams argument (see below for definition). These parameters are used for every transaction in the chain in case of blockchain.sendMessage
export type MessageParams = Partial<{
    now: number
    randomSeed: Buffer
    ignoreChksig: boolean
}>
  • blockchain.runGetMethod and smartContract.get now accept an optional GetMethodParams argument (see below for definition)
export type GetMethodParams = Partial<{
    now: number
    randomSeed: Buffer
    gasLimit: bigint
}>
  • SendMessageResult now has transactions: BlockchainTransaction[] instead of transactions: Transaction[]. Definition of BlockchainTransaction:
export type BlockchainTransaction = Transaction & {
    blockchainLogs: string
    vmLogs: string
    debugLogs: string
    events: Event[]
    parent?: BlockchainTransaction
    children: BlockchainTransaction[]
}
  • smartContract.receiveMessage now returns SmartContractTransaction (see below for definition)
export type SmartContractTransaction = Transaction & {
    blockchainLogs: string
    vmLogs: string
    debugLogs: string
}
  • Emulator WASM binary has been updated

Fixed

  • Fixed empty message bodies in bounced messages. This fix is contained in the emulator WASM binary

[0.4.0] - 2023-02-09

Changed

  • Treasuries obtained by blockchain.treasury calls are now initialized during this call and will no longer produce an extra transaction when first sending a message
  • Transaction processing loop now prefetches contracts, which should provide a performance boost in some scenarios

[0.3.0] - 2023-02-05

Changed

  • Blockchain and SmartContract now use LogsVerbosity (see below for definition) as the verbosity type, which allows for more control over what kinds of logs are printed. Logs from TVM debug primitives are now enabled by default, again. (You can disable them globally by setting verbosity with debugLogs: false on the Blockchain instance)

Definition of LogsVerbosity:

type LogsVerbosity = {
    blockchainLogs: boolean
    vmLogs: Verbosity
    debugLogs: boolean
}

[0.2.2] - 2023-02-03

Added

  • Added blockchain.runGetMethod(address, method, stack) to run a get method on the specified address
  • Added blockchain.setShardAccount(address, account) to directly set the state of smart contracts
  • Added account: ShardAccount getter and setter to SmartContract
  • Exported helper methods createEmptyShardAccount, createShardAccount for use with blockchain.setShardAccount and smartContract.account setter
  • Added the ability to pass Cells into blockchain.sendMessage

Changed

  • Removed unnecessary async modifiers from smartContract.receiveMessage and smartContract.get
  • Logs from TVM debug primitives (for example, DUMP and STRDUMP with corresponding FunC functions ~dump() and ~strdump()) now respect the verbosity parameter and will only work when it is not none
  • Logs from TVM debug primitives are now printed using a single console.log call per one TVM execution to avoid cluttering the terminal during unit tests

Fixed

  • Fixed potential race conditions between execution of different transaction chains on the same Blockchain instance by use of an AsyncLock

Removed

  • Changed blockchain.pushMessage, blockchain.processQueue, blockchain.runQueue to be private